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Establish a secure connection between your trailer and semi or other tow vehicle with this heavy-duty, 7-pole plug. Plug has round brass pins to ensure minimum voltage drop and pull grips for easy insertion and removal.
Features:
Specs:
Note: Does not fit Pollak Cable Guard (PK11763). Use Pollak HD, 7-Pole Round Pin Connector w/Cable Guard (PK11702).
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Shipping was fast. Great service
I was super impressed with the service from etrailer.com! The product was just what I wanted, price was great, and I received it in just a few days.
Good solid connector, but I didn't realize that it could be ordered with the spring to protect the wires from sharp bends, part #PK11702, which I'll order next time.
Product arrived timely and in excellent condition. It came with SAE J560 instructions that were helpful. Wiring the connector was easy.
Worked perfectly to replace an electrical plug one of our drivers ripped off by accident. Was able to save the whole harness for $10 with this!
Solid product. Can't wait to get it installed. Going to use it as a auxiliary power device for my tractor hardtop. Lights and wiper hookups.
Plug appears to be of very good quality and is as represented. We are using this plug to make an adapter harness to plug our RV into a semi tractor.
I have used this connector on an equipment trailer for the last year with no issues. It has worked flawlessly. It was a good decision to go with this item.
i did not realize there are TWO different sizes of 7 pin round connectors ?? apparently i have the smaller one and the one i got was way to BIG .....
Product was as expected.
I got exactly what I expected. Great customer service & follow through.

Ken
1/29/2023
This is a quality connector that was used to support electrical connections between my RV and toad. Its held up beautifully & I continue to be very pleased with it.
It is very refreshing in this age of Internet shopping to find a site that provides good product information, competitive pricing and great customer before and after the purchase. Product was exactly what the product info on the site stated. Appreciate the good service and will definitely use etrailer.com for future needs.
Thanks.
For me, and probably you, etrailer.com is a great place to shop/buy quality products. They give great follow up after ordering and fast shipping @ a fair price. I believe their service & pricing is unbeatable. I do shop for bargains & etrailer is @ the top of my list.
The quality of the items were excellent. Something in the shipping box was askew, There were no packing Materials. thankfully nothing was damaged. I have bough several items from etrailer and am a satisfied customer!
The cable end plug arrived on the exact estimated date I was given on the day of ordering. Wiring it is very simple. There is a screw for each terminal opening. Use a small phillips screwdriver to thread the screw out, insert the wire, and then tighten the screw.
A retention clamp is an integral part of the plug. Again it is a simple matter of turning a screw to open it and tighten it back down again. The plug is well made and should last a long time. It is exactly the replacement part I was looking for.
I will come back to etrailer.com when I need related items. I highly recommend.
Haven't wired up the connector yet. Would have been nice if the standard wiring diagram used through out the USA would have been included. Then the trailer would be wired correctly to any vehicle that was using it. Mine didn't have the trailer brake or back up lite shown.
Just reviewed the truck receiver half of this product - same deal. Nice heavy parts - little plastic. Nice big round brass contact pins; due to the fact that these parts are cast, there is little chance of water/dirt/condensation working into the wire contacts. Locks in tight with the receiver. All in all, a good purchase.
Easy to install
I have a 1993 ford e150 with a factory I installed trailer connector round pin. I couldn't find a 7 to 4 match anywhere. Then I saw this pk11700 adapter and it worked great. Plus I have extra connectors now to add other lights. Great product thx
The way the connector comes apart & goes back together is very sensible. The terminal connections can accommodate large wires - up to 12 gauge on all except for 1 that can go up to 10 gauge as far as I can remember. They could possibly handle larger but I didn't check since I didn't need the wires that large. They're labeled for standard 7-way trailer wire colors, which is useful for most people but I couldn't go by it. Mine was a custom application. If a spring strain relief came with it that would be awesome but I wouldn't expect it for the price I paid. Hope that info helps.
If you have any agricultural equipment, this is the easiest way to adapt the normal automotive style connectors to your vehicles and equipment. Great product, and as usual, ETrailer.com has the best price and least expensive way of shipping it to you.

Roger K.
9/14/2016
Still great,
I searched locally for a 7-pin trailer plug without finding any round-pin styles only flat blade. I searched online and found this plug.
This plug is very well made, easy to connect wires to and fits the socket on my Kubota tractor.
Also, it was in stock and shipped much faster than I expected, which I greatly appreciated.

Ed P.
9/10/2018
I am very pleased with the product. It is working great on my Kubota tractor.
The plugs did what they were supposed to do, and the customer service was excellent.
I was very pleased with this connector. It is robust and of high quality for its cost. I'd highly recommend it.
Info for this part was:
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Ted
3/10/2025
Still working fine. My application was just a replacement for a damaged plug.